99.36: What happens to the inertia of a)j a6of+d;r.jfg4ogwn object when its velocity is doubled?

  02.14: An intrinsic property of matter is one 1kbr,2ux*lm re i *m n9t5i/aqthat does not depend on the quantity of matter present. Whqbu* i alki5,1r2/ tmrmex*9nich of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of t9n pw qyf vu1yh7(bf.3he Earth. Assume the Earth has mass 1p v b3fyy n(fquw.79h $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall ne i5h.*16xzrkxo31c 33ki3 cjy :h toujat .kcoar the surface of the Earth. What is the magnitujc c5ah3y cok1trho zti.k331x6 *x3u o:kij.de of the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an ok*oq 6fqua5:s bject’s velocity to increase while its acceleration decreaus fq*k5q6ao:ses?

  00.11: A certain particle undergoes erratic motion. At every point in itsy zi i(bvvlm2.,4b ;nl motion, the direction of th 4b.li; yvnzlbmv,(2ie particle’s momentum is ALWAYS

  17.14: A block is su zg1g ef4)rx:sqq .7kyspended in the air at the end of a string held by a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following cho e q zyrk:7.)g1qx4gfsices correctly identifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following situations is the net forceh 17 ptss6+qhwe er9r. constantly zero on the object?9hhw rss1+re tqp 7e.6

  13.28: An object is i96jcq uaiflyy*0vo;ie0 j* 8rn free fall close to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of the object as it is being stopped by the person? The magnitude of the object’s acceleration is a and the magnitude of the acceleration from grav8*u0jfre0jc q96y* l; viiyaoity is g.

  98.03: An object in equilibrium has three.2;sn t q uztp2.gta)e forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resul pqna.2;ez.)tt s2g uttant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can .xl axmht24j)zloa1 3be combine to form a resultant with a magnitude of which of the followi2 lotj.a 1xax3)lzh4m ng

  10.06: Which of the f2o707cqzx d6 nvvku ;yollowing statements is most closely associated with Newton’s Thirdvkx670u znq ;d72o cyv Law of Motion?

  95.06: The reaction force does not cancel the action forcet*pdb. j+;l ip because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratinup7dxgbd,m;y5xo c** g upward. Which one of theyb*,p5mu7;* cddo gx x following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward9z *i 6g fq8z*jruwn-o through the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on thgir8q9uz*j-fo6n wz*e skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speeu 5io,zpt,l: md of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is alw,,omuzpi: lt5 ays

  11.13: A physics book sits at rest on a table. On top mirmodyjtt/ 51jd(1+r6qly h on:e),of the book is a calculator, also at rest. Which one of the eh:+mr,y (1n)t5dtjo doqlji y1m/ r6 following choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics dba3 ,ko e(25u9v rsddI class were in lab conducting an experiment related to Newton'edsra5o dk 3b( 9uv2d,s Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on wxde m ::jk*jqs6)ck (an object were doubled while at the same time the mass of tmx6 qdj(*e c::wkskj )he object was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerate9 bgszw7b8y8t8jh vq/d uniformly from rest to a speed of 20 m/s in 10s. The magnitude oft79 8bgvb8wsy / hzj8q the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling do1c9 8 j5aebiyhe rz6vp6xu.-vwn the road. The mass of the traile vehv5b y9u6-peax8rc .6zj1 ir is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles brta9b,2o dm zyp.)x03da9fds 1k cyr1est explains why large tractor-trailer trucks generally accelerate much more slowly that automobiles?daddp2 r1fb,t1y9zx 3.o9)arsm y0kc

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 2 kilogram b y- 0oawn)x3kmall, giving the ball a velocity of 10.0 m/s. Which statement describes the sux) a kyn30-mwobsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 newtons i76vyz9:o3l a x2znzv xxdcz t(4k7qr9s accelerated at 4 a:q3z l 2o9y 7x7zvkrtxn(6xdzc9vz$4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is ad7*h5 otd:dmo8 7kr(c gmu3ycccelerated from rest by a constant force of 2400 N. What is t7m5(t 8*koh3c rd doyu:c7 gmdhe speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slidgi7p2gh /yk/p8og f.des across a rough horizontal floor before coming to rest. The frictional force acting on the block is 37o/h8 fg2g k/ig.y pdp.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial velhrb+vm: :w9fl ib4t 8tocity 4.0 m/s slides 8.0 m across a rough horizontal floor befor:htmi 8:v+bw rt 4blf9e coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a person push h.ynaex d9d -u/x3m) ndc*pb(ep mk4;es directly to the right on the box with a force of 60N. The coefficient of kinetic friction between);d e(3kd a*-hxp n.9 dbm/4m exnuypc the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially movintk )kg t:6p.jag at 8 m/s accelerates uniformly to rest on a horizontal gj ak.:6 tkpt)surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a jn,fj8 rk0cl3bus6 f0qrw 2p)ixgx3* patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry ro,iwbj0p nk 3ux q6)f8*jgfslx 2r cr03ad is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides across a patch of ice at a speed v with its braki0n*9v/ae r k8 i/z elng9zd;res locked. It then hits dry; 98 k/e*n erzizi9aldr vgn/0 pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by slamming on n 8s n:zy3/l o1v-mvwnthe car's brakes and skidding to a stop. How far would the car have skidded if it had been traveling twice as w/o: mv n-sl83nvyn1zfast?

  99.39: The driver of an automobile must carefully csg5)kg9w vxvmkpt,-/mg:9 i yontrol each of the following devices. W9-5xkvi9 pwy ,t)skmmgv/gg:hich of these devices can cause an acceleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket wiln 1i0uf1m.q oth a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the surface o1uof.l mnq1 0if the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person/aq lzylv:wdt)4a4l.4r9 uki m+ aih, called Ted exerts a force T to the right on the box. A person called Mario exerts a force M to the left, which is half as large as the force T. Given that there is friction fhvylk, 4r+ u/ am al.:9zlq4i4 ia)dtw and the box accelerates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below showum/ u2 .doc(q9d o.yrp:rjjk)s three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracksmu9jr(r : 2 opdo/cj.dy.kuq) to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three ;9 fql;zwga5h*dmot0roller coaster tracks of equal length. Assume that on all tracks the rollerlo;z twm9d *aq5;0g hf coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the rollercoaster cartrollvr hw- dh*hj0)s frictionlessly along the curved track from point A to point C under the influence of gravity. What whh 0 j)-wrvd*hould be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by m/lmb6e ysn ckp3r346a rope which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient of kinetic friction between the box and the floor if a 250 newton force on the rope is required to move the crate at a constant speed of 20 m/s as shown inbn mc s6k3pl3y4er/6m the diagram?

  04.40: A 6.0 kg block initially at rest is pushed 8b5 u:eok, dwg 0u6w blvdmbzbtnn:9y:8 u1/p against a wall by a 100 N force as shown. Thecoefficienmb089:u b/u5,p:t knn blg1 ozw:wb 6e8v ddyut of kinetic friction is 0.30 while the coefficient of static friction is 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a t y2p3aq7 we+oa: l2iqhorizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the 7l2 2pt3ya+:w iqoeaqdirections but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither.mh, 3b zkbegd- 2m oe2q4oml6 is moving. Which of the foemb2. e23zm4bdq6o hg-m, lko llowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is putik9)4y.rd bhlled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in skri. t 4bd)9yhpeedup the hill?